#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int sss(char s[], char t[])
{
	int i = 0;
	while (s[i] && t[i] && (t[i] == s[i])) i++;
	return (s[i] - t[i]);
}
int main()
{
	char arr1[] = "hellow";
	char arr2[] = "bit";
	sss(arr1, arr2);
	int  ret = (int)sss;
	printf("%d\n", ret);
	printf(arr1);
	printf("\n");
	printf(arr2);
	return 0;
}